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make depend
[oweals/openssl.git]
/
crypto
/
bn
/
bn_gf2m.c
diff --git
a/crypto/bn/bn_gf2m.c
b/crypto/bn/bn_gf2m.c
index 3bf017feda7e804370acc7c277665e163466594e..573156accb4231062a683587a899a3f9afe315dd 100644
(file)
--- a/
crypto/bn/bn_gf2m.c
+++ b/
crypto/bn/bn_gf2m.c
@@
-547,6
+547,7
@@
int BN_GF2m_mod_inv(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)
{
while (!BN_is_odd(u))
{
+ if (BN_is_zero(u)) goto err;
if (!BN_rshift1(u, u)) goto err;
if (BN_is_odd(b))
{